jgg     2014 34 (5):  11-16    ISSN: 0412-1961  CN: 21-1139/TG COMPARATIVE ANALYSIS OF METHODS FOR  BATHYMETRY PREDICTION 1）Key Laboratory of Earthquake Geodesy，Institute of Seismology，CEA，Wuhan 430071 2)Wuhan Base of Institute of Crustal Dynamics,CEA,Wuhan 430071 3）School of Geodesy and Geomatics，Wuhan University，Wuhan 430079 4）Key Laboratory of Geospace Environment and Geodesy,Ministry of Education,Wuhan 430079 5) Xi’an Institute of Surveying and Mapping,Xi’an 710054 Received: 2013-11-09  Revised: null  Online: 2014-09-26 Supporting info